SDR SCNA20201124359

Service difficulty report · Web · Boeing 7378K2

Difficulty date: November 12, 2020
Submitted: November 24, 2020
Operation: Air carrier
Aircraft: N817SY
Make and model: Boeing 7378K2
Aircraft serial: 30392
Aircraft time: 65,543 hours, 25,167 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Web
Condition: Corroded
Location: Aft Cargo Bay
Stage of operation: IN
How discovered: 9
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CORROSION AFT CARGO BS 847-857 RBL 24 WL 158 INTERCOSTAL/WEB TOP FLANGE AND BOTTOM OF FLANGE. REMOVED AND REPLACED INTERCOSTAL WITH A NEW FABRICATED INTERCOSTAL, IAW SRM 51-40-02-0G AND DWGS 146A8321 AND 146A8322 STA 847-857, RBL 24, WL 158.

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